CSEMP assessment of BDE28 in biota at Tees Bay
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 66.62 | 72.62 | -30.31 | 60.62 | |||
linear | 2 | 68.11 | 84.11 | -30.05 | 60.11 | 0.516 | 1 | 0.4724 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2017 | -2.4767 | -2.7738 | -0.2971 | 0.3667 | -0.810 | 0.4633 |
last 20 years | 2005 | 2017 | -2.4767 | -2.7738 | -0.2971 | 0.3667 | -0.810 | 0.4633 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.06 | 0.01 | -1.649 | 0.233 | -7.091 | 0.9990 |
FEQG | 0.06 | 120.00 | 7.561 | 0.233 | 32.514 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for organo-bromines in biota
- Accessment criteria for organo-bromines in biota
Media : Biota (Common dab liver)
Station : TyneTees_TTInter_fi03 (Tees Bay)
Determinand : BDE28
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : TyneTees_TTInter_fi03 (Tees Bay)
Determinand : BDE28
Units : μg kg-1 wet weight
Data extraction : 30 April 2020